/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package fullalbum.user;

import fullalbum.Utils;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author leoomoreira
 */
public class ChangePasswordServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("application/xml;charset=ISO-8859-1");
        String xml = "";

        String password = (String) request.getParameter("password");
        String newPassword = (String) request.getParameter("newPassword");

        HttpSession session = request.getSession();

        boolean result = false;
        if (password != null && password.trim().length() > 0 && newPassword != null && newPassword.trim().length() > 0) {
            fullalbum.dao.UserDAO userDAO = new fullalbum.dao.UserDAO();
            fullalbum.bean.User user = userDAO.getById(Integer.parseInt(session.getAttribute("userId").toString()));
            if (user != null && user.getPassword().equalsIgnoreCase(Utils.encrypt(password))) {
                result = userDAO.changePassword(Integer.parseInt(session.getAttribute("userId").toString()), Utils.encrypt(newPassword));
            }
        }
        xml += "<result>";
        if (result) {
            xml += "success";
        }
        else {
            xml += "failure";
        }
        xml += "</result>";
        
        PrintWriter out = response.getWriter();
        try {
            out.println(xml);
        } finally {
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
